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org.codehaus.groovy.runtime
[Java] Class InvokerHelper

java.lang.Object
  org.codehaus.groovy.runtime.InvokerHelper

public class InvokerHelper
extends Object

A static helper class to make bytecode generation easier and act as a facade over the Invoker

Authors:
James Strachan
Version:
\$Revision\$

Field Summary
static Object[] EMPTY_ARGS

protected static Object[] EMPTY_ARGUMENTS

protected static Class[] EMPTY_TYPES

static MetaClassRegistry metaRegistry

 
Method Summary
static Object[] asArray(Object arguments)

Converts the given object into an array; if its an array then just cast otherwise wrap it in an array
static Iterator asIterator(Object o)

static List asList(Object value)

static Object[] asUnwrappedArray(Object arguments)

static void assertFailed(Object expression, Object message)

static Object bitwiseNegate(Object value)

static List createList(Object[] values)

static Map createMap(Object[] values)

static List createRange(Object from, Object to, boolean inclusive)

static Script createScript(Class scriptClass, Binding context)

static Tuple createTuple(Object[] array)

static Matcher findRegex(Object left, Object right)

Find the right hand regex within the left hand string and return a matcher.
protected static String format(Object arguments, boolean verbose)

static String format(Object arguments, boolean verbose, int maxSize)

static Object getAttribute(Object object, String attribute)

static Object getGroovyObjectProperty(GroovyObject object, String property)

static MetaClass getMetaClass(Object object)

static MetaClass getMetaClass(Class cls)

static MetaClassRegistry getMetaRegistry()

static Closure getMethodPointer(Object object, String methodName)

Returns the method pointer for the given object name
static Object getProperty(Object object, String property)

static Object getPropertySafe(Object object, String property)

static String getVersion()

@deprecated Use GroovySystem version instead.
static String inspect(Object self)

static Object invokeClosure(Object closure, Object arguments)

static Object invokeConstructorOf(String klass, Object arguments)

static Object invokeConstructorOf(Class type, Object arguments)

static Object invokeMethod(Object object, String methodName, Object arguments)

Invokes the given method on the object.
static Object invokeMethodSafe(Object object, String methodName, Object arguments)

static Object invokeNoArgumentsConstructorOf(Class type)

static Object invokeStaticMethod(String klass, String methodName, Object arguments)

static Object invokeStaticMethod(Class type, String method, Object arguments)

static Object invokeStaticNoArgumentsMethod(Class type, String methodName)

static Object invokeSuperMethod(Object object, String methodName, Object arguments)

static boolean matchRegex(Object left, Object right)

Find the right hand regex within the left hand string and return a matcher.
static void removeClass(Class clazz)

static Object runScript(Class scriptClass, String[] args)

static void setAttribute(Object object, String attribute, Object newValue)

static void setGroovyObjectProperty(Object newValue, GroovyObject object, String property)

This is so we don't have to reorder the stack when we call this method.

static void setProperties(Object object, Map map)

Sets the properties on the given object
static void setProperty(Object object, String property, Object newValue)

static void setProperty2(Object newValue, Object object, String property)

This is so we don't have to reorder the stack when we call this method.

static void setPropertySafe2(Object newValue, Object object, String property)

This is so we don't have to reorder the stack when we call this method.

static SpreadMap spreadMap(Object value)

static String toArrayString(Object[] arguments)

A helper method to return the string representation of an array of objects with brace boundaries "{" and "}".
static String toListString(Collection arg)

A helper method to return the string representation of a list with bracket boundaries "[" and "]".
static String toListString(Collection arg, int maxSize)

A helper method to return the string representation of a list with bracket boundaries "[" and "]".
static String toMapString(Map arg)

A helper method to return the string representation of a map with bracket boundaries "[" and "]".
static String toMapString(Map arg, int maxSize)

A helper method to return the string representation of a map with bracket boundaries "[" and "]".
static String toString(Object arguments)

static String toTypeString(Object[] arguments)

A helper method to format the arguments types as a comma-separated list.
static Object unaryMinus(Object value)

static Object unaryPlus(Object value)

static void write(Writer out, Object object)

Writes the given object to the given stream
 
Methods inherited from class Object
wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll
 

Field Detail

EMPTY_ARGS

public static final Object[] EMPTY_ARGS

EMPTY_ARGUMENTS

protected static final Object[] EMPTY_ARGUMENTS

EMPTY_TYPES

protected static final Class[] EMPTY_TYPES

metaRegistry

public static final MetaClassRegistry metaRegistry

 
Method Detail

asArray

public static Object[] asArray(Object arguments)
Converts the given object into an array; if its an array then just cast otherwise wrap it in an array

asIterator

@SuppressWarnings("unchecked")
public static Iterator asIterator(Object o)

asList

public static List asList(Object value)

asUnwrappedArray

public static Object[] asUnwrappedArray(Object arguments)

assertFailed

public static void assertFailed(Object expression, Object message)

bitwiseNegate

public static Object bitwiseNegate(Object value)

createList

public static List createList(Object[] values)

createMap

public static Map createMap(Object[] values)

createRange

public static List createRange(Object from, Object to, boolean inclusive)

createScript

public static Script createScript(Class scriptClass, Binding context)

createTuple

public static Tuple createTuple(Object[] array)

findRegex

public static Matcher findRegex(Object left, Object right)
Find the right hand regex within the left hand string and return a matcher.
Parameters:
left - string to compare
right - regular expression to compare the string to

format

protected static String format(Object arguments, boolean verbose)

format

public static String format(Object arguments, boolean verbose, int maxSize)

getAttribute

public static Object getAttribute(Object object, String attribute)

getGroovyObjectProperty

public static Object getGroovyObjectProperty(GroovyObject object, String property)

getMetaClass

public static MetaClass getMetaClass(Object object)

getMetaClass

public static MetaClass getMetaClass(Class cls)

getMetaRegistry

public static MetaClassRegistry getMetaRegistry()

getMethodPointer

public static Closure getMethodPointer(Object object, String methodName)
Returns the method pointer for the given object name

getProperty

public static Object getProperty(Object object, String property)

getPropertySafe

public static Object getPropertySafe(Object object, String property)

getVersion

public static String getVersion()
deprecated:
Use GroovySystem version instead.

inspect

public static String inspect(Object self)

invokeClosure

public static Object invokeClosure(Object closure, Object arguments)

invokeConstructorOf

public static Object invokeConstructorOf(String klass, Object arguments)

invokeConstructorOf

public static Object invokeConstructorOf(Class type, Object arguments)

invokeMethod

public static Object invokeMethod(Object object, String methodName, Object arguments)
Invokes the given method on the object.

invokeMethodSafe

public static Object invokeMethodSafe(Object object, String methodName, Object arguments)

invokeNoArgumentsConstructorOf

public static Object invokeNoArgumentsConstructorOf(Class type)

invokeStaticMethod

public static Object invokeStaticMethod(String klass, String methodName, Object arguments)

invokeStaticMethod

public static Object invokeStaticMethod(Class type, String method, Object arguments)

invokeStaticNoArgumentsMethod

public static Object invokeStaticNoArgumentsMethod(Class type, String methodName)

invokeSuperMethod

public static Object invokeSuperMethod(Object object, String methodName, Object arguments)

matchRegex

public static boolean matchRegex(Object left, Object right)
Find the right hand regex within the left hand string and return a matcher.
Parameters:
left - string to compare
right - regular expression to compare the string to

removeClass

public static void removeClass(Class clazz)

runScript

public static Object runScript(Class scriptClass, String[] args)

setAttribute

public static void setAttribute(Object object, String attribute, Object newValue)

setGroovyObjectProperty

public static void setGroovyObjectProperty(Object newValue, GroovyObject object, String property)
This is so we don't have to reorder the stack when we call this method. At some point a better name might be in order.

setProperties

public static void setProperties(Object object, Map map)
Sets the properties on the given object

setProperty

public static void setProperty(Object object, String property, Object newValue)

setProperty2

public static void setProperty2(Object newValue, Object object, String property)
This is so we don't have to reorder the stack when we call this method. At some point a better name might be in order.

setPropertySafe2

public static void setPropertySafe2(Object newValue, Object object, String property)
This is so we don't have to reorder the stack when we call this method. At some point a better name might be in order.

spreadMap

public static SpreadMap spreadMap(Object value)

toArrayString

public static String toArrayString(Object[] arguments)
A helper method to return the string representation of an array of objects with brace boundaries "{" and "}".
Parameters:
arguments - the array to process
Returns:
the string representation of the array

toListString

public static String toListString(Collection arg)
A helper method to return the string representation of a list with bracket boundaries "[" and "]".
Parameters:
arg - the collection to process
Returns:
the string representation of the collection

toListString

public static String toListString(Collection arg, int maxSize)
A helper method to return the string representation of a list with bracket boundaries "[" and "]".
Parameters:
arg - the collection to process
maxSize - stop after approximately this many characters and append '...'
Returns:
the string representation of the collection

toMapString

public static String toMapString(Map arg)
A helper method to return the string representation of a map with bracket boundaries "[" and "]".
Parameters:
arg - the map to process
Returns:
the string representation of the map

toMapString

public static String toMapString(Map arg, int maxSize)
A helper method to return the string representation of a map with bracket boundaries "[" and "]".
Parameters:
arg - the map to process
maxSize - stop after approximately this many characters and append '...'
Returns:
the string representation of the map

toString

public static String toString(Object arguments)

toTypeString

public static String toTypeString(Object[] arguments)
A helper method to format the arguments types as a comma-separated list.
Parameters:
arguments - the type to process
Returns:
the string representation of the type

unaryMinus

public static Object unaryMinus(Object value)

unaryPlus

public static Object unaryPlus(Object value)

write

public static void write(Writer out, Object object)
Writes the given object to the given stream

 

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